dan <i@dan.games> writes:

> * gnu/packages/llvm.scm (clang-runtime-from-llvm)[native-inputs]: When
> building clang-runtime-19 or newer use gcc-14.
> (clang-from-llvm)[#:configure-flags]: When building clang-19 or newer, pass in
> USE_DEPRECATED_GCC_INSTALL_PREFIX.
> (%llvm-monorepo-hashes): Add entry for llvm-19.
> (llvm-19, clang-runtime-19, clang-19, libomp-19, clang-toolchain-19): New
> variables.
>
> Change-Id: I55630c3ecd2e6caa4237f28ac9f41726ed09eec4
> ---
>  gnu/packages/llvm.scm | 59 +++++++++++++++++++++++++++++++++++++++++--
>  1 file changed, 57 insertions(+), 2 deletions(-)
>
> diff --git a/gnu/packages/llvm.scm b/gnu/packages/llvm.scm
> index c6566a3339..1b3fd27dd6 100644
> --- a/gnu/packages/llvm.scm
> +++ b/gnu/packages/llvm.scm
> @@ -154,7 +154,12 @@ (define* (clang-runtime-from-llvm llvm
>           (llvm-monorepo (package-version llvm))))
>      (build-system cmake-build-system)
>      (native-inputs
> -     (cond ((version>=? version "18")
> +     (cond ((version>=? version "19")
> +            ;; TODO: Remove this when GCC 14 is the default.
> +            ;; libfuzzer fails to build with GCC 13
> +            (modify-inputs (package-native-inputs llvm)
> +              (prepend gcc-14)))
> +           ((version>=? version "18")
>              ;; TODO: Remove this when GCC 13 is the default.
>              ;; libfuzzer fails to build with GCC 12
>              (modify-inputs (package-native-inputs llvm)
> @@ -261,6 +266,11 @@ (define* (clang-from-llvm llvm clang-runtime
>       `(#:configure-flags
>         (list "-DCLANG_INCLUDE_TESTS=True"
>  
> +             ;; TODO: Use --gcc-install-dir when GCC_INSTALL_PREFIX is
> +             ;; removed.  See: https://github.com/llvm/llvm-project/pull/77537
> +             ,@(if (version>=? version "19")
> +                   '("-DUSE_DEPRECATED_GCC_INSTALL_PREFIX=ON")
> +                   '())
>               ;; Find libgcc_s, crtbegin.o, and crtend.o.
>               (string-append "-DGCC_INSTALL_PREFIX="
>                              (assoc-ref %build-inputs "gcc-lib"))
> @@ -552,7 +562,8 @@ (define %llvm-monorepo-hashes
>      ("15.0.7" . "12sggw15sxq1krh1mfk3c1f07h895jlxbcifpwk3pznh4m1rjfy2")
>      ("16.0.6" . "0jxmapg7shwkl88m4mqgfjv4ziqdmnppxhjz6vz51ycp2x4nmjky")
>      ("17.0.6" . "1a7rq3rgw5vxm8y39fyzr4kv7w97lli4a0c1qrkchwk8p0n07hgh")
> -    ("18.1.8" . "1l9wm0g9jrpdf309kxjx7xrzf13h81kz8bbp0md14nrz38qll9la")))
> +    ("18.1.8" . "1l9wm0g9jrpdf309kxjx7xrzf13h81kz8bbp0md14nrz38qll9la")
> +    ("19.1.3" . "051miidbiqz4d2m1kk5w2am0hayjymbvc9pgjcjq7cadwbap8k1m")))
>  
>  (define %llvm-patches
>    '(("14.0.6" . ("clang-14.0-libc-search-path.patch"
> @@ -565,6 +576,8 @@ (define %llvm-patches
>      ("17.0.6" . ("clang-17.0-libc-search-path.patch"
>                   "clang-17.0-link-dsymutil-latomic.patch"))
>      ("18.1.8" . ("clang-18.0-libc-search-path.patch"
> +                 "clang-17.0-link-dsymutil-latomic.patch"))
> +    ("19.1.3" . ("clang-18.0-libc-search-path.patch"
>                   "clang-17.0-link-dsymutil-latomic.patch"))))
>  
>  (define (llvm-monorepo version)
> @@ -1536,6 +1549,48 @@ (define-public libomp-18
>  (define-public clang-toolchain-18
>    (make-clang-toolchain clang-18 libomp-18))
>  
> +(define-public llvm-19
> +  (package
> +    (inherit llvm-15)
> +    (version "19.1.3")
> +    (source (llvm-monorepo version))
> +    (arguments
> +     (substitute-keyword-arguments (package-arguments llvm-15)
> +       ;; The build daemon goes OOM on i686-linux on this phase.
> +       ((#:phases phases #~'%standard-phases)
> +        (if (target-x86-32?)
> +            #~(modify-phases #$phases
> +                (delete 'make-dynamic-linker-cache))
> +            phases))))))
> +
> +(define-public clang-runtime-19
> +  (clang-runtime-from-llvm llvm-19))
> +
> +(define-public clang-19
> +  (clang-from-llvm
> +   llvm-19 clang-runtime-19
> +   #:tools-extra
> +   (origin
> +     (method url-fetch)
> +     (uri (llvm-uri "clang-tools-extra"
> +                    (package-version llvm-19)))
> +     (sha256
> +      (base32
> +       "0ig3syx0m9hcjzr4yl568jv2rz3haadgr9nhv8jv0gspx55ywn33")))))
> +
> +(define-public libomp-19
> +  (package
> +    (inherit libomp-15)
> +    (version (package-version llvm-19))
> +    (source (llvm-monorepo version))
> +    (native-inputs
> +     (modify-inputs (package-native-inputs libomp-15)
> +       (replace "clang" clang-19)
> +       (replace "llvm" llvm-19)))))
> +
> +(define-public clang-toolchain-19
> +  (make-clang-toolchain clang-19 libomp-19))
> +
>  ;; Default LLVM and Clang version.
>  (define-public libomp libomp-13)
>  (define-public llvm llvm-13)
>
> base-commit: 3e8d3d80f41e016cdfe80e488a78c2351c94fef8

pushed, and update to 19.1.4, closing.